1、Designation: D 2902 00 (Reapproved 2006)An American National StandardStandard Specification forFluoropolymer Resin Heat-Shrinkable Tubing for ElectricalInsulation1This standard is issued under the fixed designation D 2902; the number immediately following the designation indicates the year oforigina
2、l adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification applies to flexible heat-shrinkableextruded tu
3、bing made from tetrafluoroethylene resin, copoly-mer of tetrafluoroethylene and hexafluoropropylene, and fromperfluoroalkoxy resin for use as electrical insulation.NOTE 1This standard is similar but not identical to IEC 606843240to 243.1.2 The values stated in inch-pound units are to be regardedas t
4、he standard except temperature which shall be stated indegrees Celsius. Values in parentheses are for information only.2. Referenced Documents2.1 ASTM Standards:2C 618 Specification for Coal Fly Ash and Raw or CalcinedNatural Pozzolan for Use in ConcreteD 638 Test Method for Tensile Properties of Pl
5、asticsD 1711 Terminology Relating to Electrical InsulationD2116 Specification for FEP-Fluorocarbon Molding andExtrusion MaterialsD 2671 Test Methods for Heat-Shrinkable Tubing for Elec-trical UseD 3307 Specification for Perfluoroalkoxy (PFA)-Fluorocarbon Resin Molding and Extrusion MaterialsD 3636 P
6、ractice for Sampling and Judging Quality of SolidElectrical Insulating MaterialsD 4895 Specification for Polytetrafluoroethylene (PTFE)Resin Produced From DispersionE 176 Terminology of Fire Standards2.2 IEC Standards:606843240 to 243 Flexible insulating sleeving, Part 3,Sheets 240 to 243: Heat-shri
7、nkable PTFE sleeving33. Terminology3.1 Definitions:3.1.1 For definitions pertaining to electrical insulation, referto Terminology D 1711.3.1.2 For definitions pertaining to fire standards, refer toTerminology E 176.4. Classification4.1 Type ITubing made from tetrafluoroethylene polymer(TFE) and capa
8、ble of being heat shrunk at a temperature of 327C 621 F.4.2 Type IITubing made from a copolymer of tetrafluo-roethylene and hexafluoropropylene (FEP) and capable ofbeing heat shrunk at a temperature of 150 C 302 F.4.3 Type IIITubing made from perfluoroalkoxy resin(PFA) and capable of being heat shru
9、nk at a temperature of 175C 347 F.5. Ordering Information5.1 When ordering to this specification, the purchaser muststate the size, and type of the required tubing.6. Materials and Manufacture6.1 The compound used in the manufacture of this tubingshall be modified fluoropolymer resin, and the finish
10、ed com-pound shall be free of all foreign matter other than intendedformulation additives as appropriate.6.2 Type I tubing is normally made by paste extrusion. TypeII and Type III tubings are normally made by melt extrusion.All types are expanded by mechanical means.7. Chemical and Physical Property
11、 Requirements7.1 The material shall conform to the chemical and physicalproperty requirements specified in Table 1.1This specification is under the jurisdiction of ASTM Committee D09 onElectrical and Electronic Insulating Materials and is the direct responsibility ofSubcommittee D09.07 on Flexible a
12、nd Rigid Insulating Materials.Current edition approved April 1, 2006. Published April 2006. Originallyapproved in 1970. Last previous edition approved in 2000 as D 2902 00.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For An
13、nual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.3Available from American National Standards Institute (ANSI), 25 W. 43rd St.,4th Floor, New York, NY 10036.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohock
14、en, PA 19428-2959, United States.7.2 Every lot of material manufactured should be tested fordimensional requirements and restricted shrinkage. Other re-quirements may be tested less frequently or with a frequencyagreed upon between seller and purchaser.8. Dimensional Requirements8.1 Type I material
15、shall conform to the requirementsspecified in Table 3.TABLE 3 Dimensions, Type ILengths for Type IAs Supplied After Unrestrictive ShrinkageStock Lengths PackagingInside Diameter, min, in. mm Inside Diameter, max, in. mm Wall Thickness, in. mmHeavy Wall0.166 4.22 0.130 3.30 0.0306 0.005 0.76 6 0.13 3
16、 ft to 1 ft min straight lengths0.250 6.35 0.193 4.90 0.0306 0.005 0.76 6 0.13 3 ft to 1 ft min straight lengths0.333 8.46 0.257 6.53 0.0306 0.005 0.76 6 0.13 3 ft to 1 ft min straight lengths0.415 10.54 0.320 8.13 0.0306 0.005 0.76 6 0.13 3 ft to 1 ft min straight lengths0.498 12.65 0.383 9.73 0.03
17、06 0.005 0.76 6 0.13 3 ft to 1 ft min straight lengthsTABLE 1 Chemical and Physical Property RequirementsPropertyRequirementType I Type II Type IIIRestricted shrinkage,AProcedure B, 2000 V, 10 min no cracking no cracking no crackingSpecific gravity 2.13 to 2.18 2.12 to 2.20 2.13 to 2.20Longitudinal
18、change, max, % + 20 615 615Tensile modulus at 200 % elongation, min, psi MPa Test Method D 6382 in./min 50 mm/min2000 13.8 1500 10.3 2500 17.3Volume resistivityB, ohm-cm, at standard laboratory atmosphere, min 101610161016Dielectric breakdown voltage, min kV:Wall thickness 0.004 to 0.006 in. 8 8 80.
19、007 to 0.008 in. 10 10 100.009 in. 11.5 11.5 11.50.010 to 0.011 in. 12.5 12.5 12.50.012 to 0.014 in. 14.6 14.6 14.60.015 in. 15 15 150.016 to 0.019 in. 16.3 16.3 16.30.020 in. and larger 17 17 17Heat resistance: for 96 h followed by tests for tensile modulus at200 % elongation, min, psi MPaType I350
20、 6 4C6626 7 F 2000 13.8Type II250 6 3C4826 6 F 1500 10.3Type III275 6 4C5276 7 F 2500 17.3Low-temperature flexibility, 556 2C676 4 F no cracking no cracking no crackingMelting point:Specification D 4895 327 6 10 C6216 20 FSpecification D2116 270 6 20 C518 6 40 FSpecification D 3307 endotherm peak, m
21、in 300 6 2C572 6 7FSpecification D 3307 305 6 3C5816 5FAFor over-expanded sleeving, use a mandrel equal to the enclosable diameters (D + d)/2.BSee Specification C 618.TABLE 2 Mandrel Sizes for Low-Temperature Flexibility TestingNominal Tubing InsideDiameter (max afterunrestricted shrinkage)Mandrel D
22、iameter,in. mm in. mm0.015 to 0.125 0.38 to 3.2 0.3125 6 0.002 7.956 0.060.126 to 0.250 3.3 to 6.3 0.375 6 0.003 8.066 0.070.251 to 1.000 6.4 to 26 0.437 6 0.004 11.106 0.101.001 to 2.000 27 to 50 0.875 6 0.005 16.13 6 0.132.001 to 3.000 51 to 75 1.000 6 0.005 25.40 6 0.133.001 to 4.000 76 to 101 1.
23、125 6 0.005 28.586 0.13D 2902 00 (2006)2TABLE 3 ContinuedAs Supplied After Unrestrictive ShrinkageStock Lengths PackagingInside Diameter, min, in. mm Inside Diameter, max, in. mm Wall Thickness, in. mm0.580 14.73 0.448 11.38 0.0306 0.005 0.76 6 0.13 3 ft to 1 ft min straight lengths0.666 16.92 0.510
24、 12.95 0.0306 0.005 0.76 6 0.13 3 ft to 1 ft min straight lengths0.748 19.00 0.572 14.53 0.0306 0.005 0.76 6 0.13 3 ft to 1 ft min straight lengths0.830 21.1 0.637 16.18 0.0306 0.005 0.76 6 0.13 3 ft to 1 ft min straight lengths0.915 23.2 0.700 17.78 0.0326 0.006 0.81 6 0.15 3 ft to 1 ft min straigh
25、t lengths1.000 25.4 0.764 19.41 0.0406 0.007 1.02 6 0.18 3 ft to 1 ft min straight lengths1.170 29.7 0.891 22.6 0.0456 0.007 1.14 6 0.18 3 ft to 1 ft min straight lengths1.330 33.8 1.020 25.9 0.0506 0.008 1.27 6 0.20 3 ft to 1 ft min straight lengthsStandard Wall0.045 1.14 0.027 0.69 0.0126 0.002 0.
26、30 6 0.050.050 1.27 0.032 0.81 0.0126 0.002 0.30 6 0.05 3 ft min spools0.055 1.40 0.039 0.99 0.0166 0.003 0.41 6 0.08 3 ft min spools0.060 1.52 0.043 1.09 0.0166 0.003 0.41 6 0.08 3 ft min spools0.065 1.65 0.049 1.24 0.0166 0.003 0.41 6 0.08 3 ft min spools0.076 1.93 0.054 1.37 0.0166 0.003 0.41 6 0
27、.08 3 ft min spools0.085 2.16 0.061 1.55 0.0166 0.003 0.41 6 0.08 3 ft min spools0.093 2.36 0.067 1.70 0.0166 0.003 0.41 6 0.08 3 ft min spools0.110 2.79 0.072 1.83 0.0166 0.003 0.41 6 0.08 3 ft min spools0.120 3.05 0.080 2.03 0.0166 0.003 0.41 6 0.08 3 ft, 2 ft, 1 ft straight lengths0.140 3.56 0.08
28、9 2.26 0.0166 0.003 0.41 6 0.08 3 ft, 2 ft, 1 ft straight lengths0.160 4.06 0.101 2.56 0.0166 0.003 0.41 6 0.08 3 ft, 2 ft, 1 ft straight lengths0.180 4.57 0.112 2.84 0.0166 0.003 0.41 6 0.08 3 ft, 2 ft, 1 ft straight lengths0.200 5.08 0.124 3.15 0.0206 0.004 0.51 6 0.10 3 ft, 2 ft, 1 ft straight le
29、ngths0.210 5.33 0.130 3.30 0.0206 0.004 0.51 6 0.10 3 ft, 2 ft, 1 ft straight lengths0.230 5.84 0.141 3.58 0.0206 0.004 0.51 6 0.10 3 ft, 2 ft, 1 ft straight lengths0.240 6.10 0.158 4.01 0.0206 0.004 0.51 6 0.10 3 ft, 2 ft, 1 ft straight lengths0.290 7.37 0.178 4.52 0.0206 0.004 0.51 6 0.10 3 ft, 2
30、ft, 1 ft straight lengths0.310 7.87 0.198 5.03 0.0206 0.004 0.51 6 0.10 3 ft, 2 ft, 1 ft straight lengths0.370 9.40 0.224 5.69 0.0206 0.004 0.51 6 0.10 3 ft, 2 ft, 1 ft straight lengths0.390 9.91 0.249 6.32 0.0206 0.004 0.51 6 0.10 3 ft, 2 ft, 1 ft straight lengths0.410 10.41 0.260 6.60 0.0206 0.004
31、 0.51 6 0.10 3 ft, 2 ft, 1 ft straight lengths0.430 10.92 0.278 7.06 0.0206 0.004 0.51 6 0.10 3 ft, 2 ft, 1 ft straight lengths0.450 11.43 0.311 7.90 0.0206 0.004 0.51 6 0.10 3 ft, 2 ft, 1 ft straight lengths0.470 11.94 0.329 8.36 0.0206 0.004 0.51 6 0.10 3 ft, 2 ft, 1 ft straight lengths0.470 11.94
32、 0.347 8.81 0.0206 0.004 0.51 6 0.10 3 ft, 2 ft, 1 ft straight lengths0.470 11.94 0.334 8.48 0.0256 0.005 0.64 6 0.13 3 ft, 1 ft min straight lengths0.560 14.22 0.339 8.61 0.0256 0.005 0.64 6 0.13 3 ft, 1 ft min straight lengths0.655 16.64 0.462 11.73 0.0256 0.005 0.64 6 0.13 3 ft, 1 ft min straight
33、 lengths0.750 19.05 0.524 13.31 0.0256 0.005 0.64 6 0.13 3 ft, 1 ft min straight lengths0.930 23.6 0.655 16.64 0.0306 0.005 0.76 6 0.13 3 ft, 1 ft min straight lengths1.125 28.6 0.786 20.0 0.0356 0.006 0.89 6 0.15 3 ft, 1 ft min straight lengths1.310 33.3 0.911 23.1 0.0356 0.006 0.89 6 0.15 3 ft, 1
34、ft min straight lengths1.500 38.1 1.036 26.3 0.0356 0.006 0.89 6 0.15 3 ft, 1 ft min straight lengthsThin Wall0.034 0.86 0.015 0.38 0.0096 0.002 0.23 6 0.05 3 ft min spools0.038 0.97 0.018 0.46 0.0096 0.002 0.23 6 0.05 3 ft min spools0.046 1.17 0.022 0.56 0.0096 0.002 0.23 6 0.05 3 ft min spools0.05
35、0 1.27 0.027 0.69 0.0106 0.002 0.25 6 0.05 3 ft min spools0.055 1.40 0.032 0.81 0.0106 0.002 0.25 6 0.05 3 ft min spools0.060 1.52 0.039 0.99 0.0126 0.003 0.30 6 0.08 3 ft min spools0.065 1.65 0.043 1.09 0.0126 0.003 0.30 6 0.08 3 ft min spools0.076 1.93 0.049 1.24 0.0126 0.003 0.30 6 0.08 3 ft min
36、spools0.085 2.16 0.054 1.37 0.0126 0.003 0.30 6 0.08 3 ft min spools0.093 2.36 0.061 1.55 0.0126 0.003 0.30 6 0.08 3 ft min spools0.110 2.79 0.067 1.70 0.0126 0.003 0.30 6 0.08 3 ft min spools0.120 3.05 0.072 1.83 0.0126 0.003 0.30 6 0.08 3 ft, 2 ft, 1 ft straight lengths0.140 3.56 0.080 2.03 0.0126
37、 0.003 0.30 6 0.08 3 ft, 2 ft, 1 ft straight lengths0.150 3.81 0.089 2.26 0.0126 0.003 0.30 6 0.08 3 ft, 2 ft, 1 ft straight lengths0.170 4.32 0.101 2.56 0.0126 0.003 0.30 6 0.08 3 ft, 2 ft, 1 ft straight lengths0.191 4.85 0.112 2.84 0.0126 0.003 0.30 6 0.08 3 ft, 2 ft, 1 ft straight lengths0.205 5.
38、21 0.124 3.15 0.0156 0.004 0.38 6 0.10 3 ft, 2 ft, 1 ft straight lengths0.215 5.46 0.130 3.30 0.0156 0.004 0.38 6 0.10 3 ft, 2 ft, 1 ft straight lengths0.240 6.10 0.141 3.58 0.0156 0.004 0.38 6 0.10 3 ft, 2 ft, 1 ft straight lengths0.270 6.86 0.158 4.01 0.0156 0.004 0.38 6 0.10 3 ft, 2 ft, 1 ft stra
39、ight lengths0.302 7.67 0.178 4.53 0.0156 0.004 0.38 6 0.10 3 ft, 2 ft, 1 ft straight lengths0.320 8.13 0.198 5.03 0.0156 0.004 0.38 6 0.10 3 ft, 2 ft, 1 ft straight lengths0.370 9.40 0.224 5.69 0.0156 0.004 0.38 6 0.10 3 ft, 2 ft, 1 ft straight lengths0.390 9.91 0.249 6.32 0.0156 0.004 0.38 6 0.10 3
40、 ft, 2 ft, 1 ft straight lengths0.410 10.41 0.260 6.60 0.0156 0.004 0.38 6 0.10 3 ft, 2 ft, 1 ft straight lengths0.430 10.92 0.278 7.06 0.0156 0.004 0.38 6 0.10 3 ft, 2 ft, 1 ft straight lengths0.450 11.43 0.311 7.90 0.0156 0.004 0.38 6 0.10 3 ft, 2 ft, 1 ft straight lengths0.470 11.94 0.329 8.36 0.
41、0156 0.004 0.38 6 0.10 3 ft, 2 ft, 1 ft straight lengths0.470 11.94 0.347 8.81 0.0156 0.004 0.38 6 0.10 3 ft, 2 ft, 1 ft straight lengthsD 2902 00 (2006)3TABLE 3 ContinuedAs Supplied After Unrestrictive ShrinkageStock Lengths PackagingInside Diameter, min, in. mm Inside Diameter, max, in. mm Wall Th
42、ickness, in. mm0.560 14.22 0.399 10.13 0.0156 0.004 0.38 6 0.10 3 ft, 2 ft, 1 ft straight lengths0.560 14.22 0.399 10.13 0.0206 0.005 0.51 6 0.13 3 ft, 2 ft, 1 ft straight lengths0.655 16.64 0.462 11.73 0.0186 0.005 0.46 6 0.13 3 ft, 2 ft, 1 ft straight lengths0.655 16.64 0.462 11.73 0.0206 0.005 0.
43、51 6 0.13 3 ft, 2 ft, 1 ft straight lengths0.750 19.05 0.524 13.31 0.0186 0.005 0.46 6 0.13 3 ft, 2 ft, 1 ft straight lengths0.750 19.05 0.524 13.31 0.0206 0.005 0.51 6 0.13 3 ft, 2 ft, 1 ft straight lengths0.930 23.6 0.655 16.64 0.0206 0.005 0.51 6 0.13 3 ft, 2 ft, 1 ft straight lengths0.930 23.6 0
44、.655 16.64 0.0256 0.005 0.64 6 0.13 3 ft, 2 ft, 1 ft straight lengths1.125 28.6 0.786 20.0 0.0256 0.005 0.64 6 0.13 3 ft, 2 ft, 1 ft straight lengths1.125 28.6 0.786 20.0 0.0306 0.006 0.76 6 0.15 3 ft, 2 ft, 1 ft straight lengths2.0:1 Shrink Factor0.039 1 0.020 0.50 0.0106 0.002 0.25 6 0.05 4 ft str
45、aight lengths0.0591.5 0.030 0.75 0.0106 0.002 0.25 6 0.05 4 ft straight lengths0.098 2.5 0.049 1.25 0.0106 0.002 0.25 6 0.05 4 ft straight lengths0.138 3.5 0.069 1.75 0.0106 0.002 0.25 6 0.05 4 ft straight lengths0.197 5 0.098 2.5 0.010 6 0.002 0.25 6 0.05 4 ft straight lengths0.276 7 0.138 3.5 0.02
46、0 6 0.004 0.50 6 0.10 4 ft straight lengths0.394 10 0.197 5.0 0.020 6 0.004 0.50 6 0.10 4 ft straight lengths0.512 13 0.256 6.5 0.020 6 0.004 0.50 6 0.10 4 ft straight lengths0.827 20 0.394 10.0 0.0206 0.004 0.50 6 0.10 4 ft straight lengths1.024 26 0.512 13.0 0.0306 0.004 0.75 6 0.10 4 ft straight
47、lengthsVery Thin Wall0.050 1.27 0.027 0.69 0.0066 0.002 0.15 6 0.05 3 ft spools0.055 1.40 0.032 0.81 0.0066 0.002 0.15 6 0.05 3 ft spools0.060 1.52 0.039 0.99 0.0066 0.002 0.15 6 0.05 3 ft spools0.065 1.65 0.043 1.09 0.0066 0.002 0.15 6 0.05 3 ft spools0.076 1.93 0.049 1.24 0.0066 0.002 0.15 6 0.05 3 ft spools0.085 2.16 0.054 1.37 0.0066 0.002 0.15 6 0.05 3 ft spools0.093 2.36 0.061 1.55 0.0066 0.002 0.15 6 0.05 3 ft, 2 ft, 1 ft straight len
